Mercurial > illumos > onarm
annotate usr/src/cmd/mail/legal.c @ 4:1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
| author | Koji Uno <koji.uno@sun.com> |
|---|---|
| date | Mon, 31 Aug 2009 14:38:03 +0900 |
| parents | c9caec207d52 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * CDDL HEADER START | |
| 3 * | |
| 4 * The contents of this file are subject to the terms of the | |
| 5 * Common Development and Distribution License, Version 1.0 only | |
| 6 * (the "License"). You may not use this file except in compliance | |
| 7 * with the License. | |
| 8 * | |
| 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 10 * or http://www.opensolaris.org/os/licensing. | |
| 11 * See the License for the specific language governing permissions | |
| 12 * and limitations under the License. | |
| 13 * | |
| 14 * When distributing Covered Code, include this CDDL HEADER in each | |
| 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 16 * If applicable, add the following below this CDDL HEADER, with the | |
| 17 * fields enclosed by brackets "[]" replaced with your own identifying | |
| 18 * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 19 * | |
| 20 * CDDL HEADER END | |
| 21 */ | |
| 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ | |
| 23 /* All Rights Reserved */ | |
| 24 | |
| 25 | |
| 26 /* | |
| 27 * Copyright (c) 2001 by Sun Microsystems, Inc. | |
| 28 * All rights reserved. | |
| 29 */ | |
| 30 | |
|
4
1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
Koji Uno <koji.uno@sun.com>
parents:
0
diff
changeset
|
31 #pragma ident "%Z%%M% %I% %E% SMI" |
| 0 | 32 /* |
| 33 * NAME | |
| 34 * legal - check existence of file | |
| 35 * | |
| 36 * SYNOPSIS | |
| 37 * int legal(char *file) | |
| 38 * | |
| 39 * DESCRIPTION | |
| 40 * legal() checks to see if "file" is a writable file name. | |
| 41 * | |
| 42 * Returns: | |
| 43 * 0 -> file or directory exists, but is unwriteable | |
| 44 * 1 -> file exists writeable | |
| 45 * 2 -> file does not exist, but can be created | |
| 46 */ | |
| 47 | |
| 48 #include "mail.h" | |
| 49 int | |
| 50 legal(file) | |
| 51 register char *file; | |
| 52 { | |
| 53 register char *sp; | |
| 54 char dfile[MAXFILENAME]; | |
| 55 | |
| 56 /* | |
| 57 * If file does not exist then try "." if file name has | |
| 58 * no "/". For file names that have a "/", try check | |
| 59 * for existence of previous directory. | |
| 60 */ | |
| 61 if (access(file, A_EXIST) == A_OK) { | |
| 62 if (access(file, A_WRITE) == A_OK) | |
| 63 return (1); | |
| 64 else return (0); | |
| 65 } else { | |
| 66 if ((sp = strrchr(file, '/')) == NULL) { | |
| 67 strcpy(dfile, "."); | |
| 68 } else if (sp == file) { | |
| 69 strcpy(dfile, "/"); | |
| 70 } else { | |
| 71 if ((sp - file + 1) > MAXFILENAME) | |
| 72 return (0); | |
| 73 strncpy(dfile, file, sp - file); | |
| 74 dfile[sp - file] = '\0'; | |
| 75 } | |
| 76 if (access(dfile, A_WRITE) == CERROR) | |
| 77 return (0); | |
| 78 return (2); | |
| 79 } | |
| 80 } |